Re: CONFIG_NO_HZ + CONFIG_CPU_IDLE freeze the system (Was Re: [PATCH]acpi : remove power from acpi_processor_cx structure)
From: John Stultz
Date: Tue Sep 11 2012 - 13:27:31 EST
On 09/10/2012 11:58 PM, Daniel Lezcano wrote:
I believe so. Although it didn't appear in my 32bit testing w/ kvm, but
I suspect that is due to my distro userland setting lots of timers so
that we don't hit those multi-second idle times, which could overflow
32bit nanoseconds, or maybe some other kvm quirk.
Would you mind testing the following patch? It seems to resolve theNo problem, I will try it this evening.
issue, but I've not yet run it through my test suite to make sure it
didn't break anything else.
Is this problem related to all 32bits arch ?
Anyway, let me know if your testing goes well.
Thanks so much again for noticing and bisecting this down.
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